404386023 has 8 divisors (see below), whose sum is σ = 562624128. Its totient is φ = 257869304.

The previous prime is 404386009. The next prime is 404386027. The reversal of 404386023 is 320683404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 404386023 - 2⁶ = 404385959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404386027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2930265 + ... + 2930402.

It is an arithmetic number, because the mean of its divisors is an integer number (70328016).

Almost surely, 2^404386023 is an apocalyptic number.

404386023 is a deficient number, since it is larger than the sum of its proper divisors (158238105).

404386023 is a wasteful number, since it uses less digits than its factorization.

404386023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5860693.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 404386023 is about 20109.3516305226. The cubic root of 404386023 is about 739.4895572852.

The spelling of 404386023 in words is "four hundred four million, three hundred eighty-six thousand, twenty-three".